- Name: Yamaide Aiko (山出愛子)
- Birthdate: December 1, 2002
- Birthplace: Kagoshima Prefecture, Japan
- Blood Type: O
- Height: 151.5cm
- Shoe size: 23cm
- Favorite Food: Nishime (cooked food)
- Favorite School Subject: English
- Something I can't live without: My pillow
- What do you want the most now: Dokodemo Door
- One thing you always have in your bag: Earphone, Charger, Lip gloss
- What do you want to do during your day off tomorrow: Go for a spa tour
- Special Skill: Piano Magic Tricks
- One Thing you wish can come true: Grow taller and be the tallest person in Makeru! Seishun Hizakozou choreography.
- Biggest failure so far: Forgot to bring shoes for dance lesson.
- Favorite dish in lunch box: Asparagus Meat Roll, Meat Wrapping Rice Ball
- Member of idol girl group Sakura Gakuin since May 2013.